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ORGANIZATION AND BASIS OF PRESENTATION - Narrative (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) region state community | Dec. 31, 2020 USD ($)
Organization and Presentation [Line Items] |  |
Entity operations in number of regions | region | 3 |
Number of states in regions | state | 9 |
Number of communities in which homes are sold | community | 236 |
Deposits on real estate under option or contract | $ 77,987 | $ 59,534
ROU assets | 17,159 | 21,624
Lease liabilities | 22,644 | 28,254
Contract asset insurance renewals | 0 | 0
Cash and cash equivalents [Member] |  |
Organization and Presentation [Line Items] |  |
Amounts in transit from title companies for home closings | 94,300 | $ 61,300
Minimum [Member] |  |
Organization and Presentation [Line Items] |  |
Base price per house for sale range | $ 200 |
Community life cycle range | 3 years |
Maximum [Member] |  |
Organization and Presentation [Line Items] |  |
Base price per house for sale range | $ 889 |
Community life cycle range | 5 years |
Maximum [Member] | Non-Structural Items [Member] |  |
Organization and Presentation [Line Items] |  |
Warranty period following home closings | 2 years |
Maximum [Member] | Structural [Member] |  |
Organization and Presentation [Line Items] |  |
Warranty period following home closings | 10 years |

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